HISTOCHEMICAL RECOGNITION OF CALCIUM OXALATE | Zendy

Philip Pizzolato | Zendy

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HISTOCHEMICAL RECOGNITION OF CALCIUM OXALATE

Author(s) -

Philip Pizzolato

Publication year - 1964

Publication title -

journal of histochemistry and cytochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.971

H-Index - 124

eISSN - 1551-5044

pISSN - 0022-1554

DOI - 10.1177/12.5.333

Subject(s) - calcium oxalate , silver nitrate , oxalate , ethylene glycol , chemistry , ammonium oxalate , hydrogen peroxide , calcium , nuclear chemistry , calcium nitrate , calcium oxalate crystals , ammonium nitrate , ammonium , inorganic chemistry , nitrate , biochemistry , organic chemistry

Of the workers applying the von Kóssa test to calcium oxalate crystals in animal tissue, about half reported blackening in silver nitrate on exposure to light. We found that "pure" calcium oxalate crystals, produced in rats by the administration of ammonium oxalate or ethylene glycol, gave a negative von Kóssa reaction. These crystals, however, were blackened when treated with a solution of silver nitrate in concentrated hydrogen peroxide. Other von Kóssa negative salts, such as CaF 2 or CaSO 4 ·2H 2 O, do not respond to the H 2 O 2 and AgNO 3 test.

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